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120140430 = 2354004681
BaseRepresentation
bin1110010100100…
…11001010001110
322101001202200120
413022103022032
5221223443210
615531005410
72656114434
oct712231216
9271052616
10120140430
11618a8313
1234299866
131bb75b17
1411d54d54
15a832270
hex729328e

120140430 has 16 divisors (see below), whose sum is σ = 288337104. Its totient is φ = 32037440.

The previous prime is 120140429. The next prime is 120140467. The reversal of 120140430 is 34041021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2002311 + ... + 2002370.

It is an arithmetic number, because the mean of its divisors is an integer number (18021069).

Almost surely, 2120140430 is an apocalyptic number.

120140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120140430 is an abundant number, since it is smaller than the sum of its proper divisors (168196674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120140430 is a wasteful number, since it uses less digits than its factorization.

120140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004691.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120140430 is about 10960.8589991843. The cubic root of 120140430 is about 493.4347455059.

Adding to 120140430 its reverse (34041021), we get a palindrome (154181451).

The spelling of 120140430 in words is "one hundred twenty million, one hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4004681 8009362 12014043 20023405 24028086 40046810 60070215 120140430